﻿/* dk2Repository - Copyright (C) 2011 Daniel Kuczewski http://www.dk2.de/

 * This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA */

using System;
using dk2Repository.Interfaces;

namespace dk2Repository
{
    internal sealed class DefaultConverter : IConverter
    {
        private readonly Type _botype;

        public DefaultConverter(Type botype)
        {
            _botype = botype;
        }

        public object ConvertToEntityValue(object value)
        {
            if (value == DBNull.Value || value == null)
                return null;

            var type = _botype;

            if (type.IsGenericType && type.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
                type = Nullable.GetUnderlyingType(_botype);

            return Convert.ChangeType(value, type);
        }

        public object ConvertToDbValue(object value)
        {
            return value;
        }



    }
}
